A kind of autonomous mobile robot platform
Technical field
The present invention relates to a kind of can paleocinetic intelligent mobile robot platform, belong to the intelligent robot technology field.
Background technology
Along with progress and the science and technology development of society, the research in Robotics field is in the ascendant.People are paying close attention to the multiduty while of robot also in the development of research robot itself, for example the perceptive mode of the forms of motion of robot, robot etc.The mode of motion of robot all also is confined in the conventional mode of motion scope at present, common wheeled or crawler type for example, these conventional mode of motion can be worked under straight road environment well, if but run into complicated movement environment, well big movable passageway of wide variety for example, just can not get to again and stablize smooth-going motion state, thereby need make improvement to adapt to more complicated movement environment to motion platform and the control system thereof of robot.
Summary of the invention
A kind of autonomous mobile robot platform proposed by the invention is by the arm mechanism of leading leg, and utilizes the acting force of medium in anti-deflection wheel on the leg arm mechanism and ground or the space to realize the easy motion of robot.
A kind of autonomous mobile robot platform is characterized in that comprising motion driving system, environment sensing system, platform control system, wherein:
Motion driving system comprises leg arm mechanism, leg arm driver module, support platform, direction steering wheel, yaw rudder wheel drive module, wherein:
The leg arm mechanism comprises anti-deflection wheel, leg arm support, anti-deflection wheel regulating device; Wherein leg arm support one end is installed anti-deflection wheel regulating device and anti-deflection wheel, and the other end is installed on support platform by leg arm rotation stationary shaft, and can freely swing by the leg arm stationary shaft on support platform; Anti-deflection wheel is fixedlyed connected with the leg arm support by anti-deflection wheel regulating device, and anti-deflection wheel comprises wheel carrier, wheel, inclination rotating shaft, wherein wheel and wheel carrier fixed installation, and wheel is free to rotate, and wheel carrier can freely rotate around the inclination rotating shaft; Because the effect of inclination rotating shaft, wheel can produce angle in the process of leg arm mechanism swing and between the inclination rotating shaft, and then can produce the friction force that suppresses the angle generation between wheel and the ground, the component of friction force on autonomous mobile robot platform direction of motion can drive the autonomous mobile robot platform and travel forward.According to driving and the task needs, can there be several leg arm mechanisms in the described motion driving system.The effect of described inclination rotating shaft also can realize by add modes such as return spring between wheel carrier and leg arm support, its objective is to hinder between wheel and leg arm support the angular separation to occur.
Leg arm driver module comprises that leg arm drive motor and leg arm drive kinematic train, wherein, leg arm drive motor is equipped with reducer casing and scrambler, leg arm drive motor drives kinematic train by gear mechanism and leg arm and is connected, the main effect that the leg arm drives kinematic train is to realize the driving force transmission, the driving force that is about to drive motor passes to the leg arm mechanism, drives the leg arm mechanism around the swing of leg arm rotation stationary shaft.Described leg arm driver module also can comprise several leg arm drive motor, can be realized by single drive motor the driving of leg arm mechanism, also can be realized by a plurality of drive motor cooperations; Simultaneously, single drive motor drives kinematic train by the leg arm and also can realize driven in synchronism to a plurality of leg arm mechanisms.
The direction steering wheel comprises wheel, wheel carrier, axis of orientation; Described wheel and wheel carrier flexibly connect, and wheel can rotate freely; The instruction of wheel carrier receiving platform main control module can be carried out brake operating to wheel; Wheel carrier is installed on support platform by axis of orientation, and wheel carrier and axis of orientation can rotate with respect to support platform.
Yaw rudder wheel drive module comprises yaw rudder wheel drive motor, direction steering wheel kinematic train, wherein, yaw rudder wheel drive motor is equipped with reducer casing and scrambler, yaw rudder wheel drive motor is connected with direction steering wheel kinematic train by gear mechanism, the main effect of direction steering wheel kinematic train is to realize the driving force transmission, the driving force that is about to drive motor passes to the direction steering wheel, drives the rotation of direction steering wheel, realizes that the direction of mobile robot platform changes.
The environment sensing system comprises camera, distance measuring sensor, flow sensor, alignment sensor, sensing data processing module, simultaneously, can also increase other kind sensors of dress according to the task needs, wherein:
Camera is installed on the mobile robot platform, gathers robot platform environment information data and transfers data to the sensing data processing module.
Distance measuring sensor distributes and is installed on support platform and leg arm mechanism, gathers the environment range information data of robot platform, transfers data to the sensing data processing module.
Flow sensor is installed on the support platform front end, and the flow speed data of environmental air or liquid etc. transfers data to the sensing data processing module in detection machine people's platform traveling process.
Alignment sensor is installed on mobile robot's support platform, and the positional information of detection machine people's platform and attitude information transfer data to the sensing data processing module.
The sensing data processing module has extendible sensor interface, can insert the other types sensing data according to the task needs, and sensing data processing module pick-up transducers data are also handled, and the running environment information of robot platform is carried out cognition.
Platform control system comprises platform main control module, leg arm control module, steering wheel control module, power management module, wireless communication module, wherein:
Platform main control module is the maincenter of platform control system, the environment cognitive information of its receiving sensor data processing module, data message with wireless communication module, after the requirement that sets the tasks, according to received environment and communication information, mode of motion and the driving path of autonomous planning robot's platform, send instruction to leg arm control module and steering wheel control module, simultaneously, platform main control module receives the motion state feedback information of leg arm control module and steering wheel control module, thereby control robot platform stable ground travels, and can controlling party to the steering wheel vehicle frame, make it implement to brake to direction steering wheel wheel.Platform main control module receives the Power Supply Monitoring information of power management module equally, and the control power management module safely, rationally uses power supply.
The instruction of leg arm control module receiving platform main control module is controlled leg arm driver module by the requirement of platform main control module and is made the swing of leg arm mechanism, and the motion state with the leg arm mechanism feeds back to platform main control module simultaneously.
The instruction of steering wheel control module receiving platform main control module changes the channeling direction of direction steering wheel by the requirement controlling party of platform main control module to the steering wheel driver module, and the motion state with the direction steering wheel feeds back to platform main control module simultaneously.
Power management module comprises rechargeable battery and power control system, and rechargeable battery provides the robot platform operation required electric energy; Power control system is monitored the rechargeable battery duty and monitor data is sent platform main control module, simultaneously the power supply steering order of receiving platform main control module; Described power control system is controlled the output voltage of rechargeable battery.
Wireless communication module is responsible for the data communication in autonomous mobile robot platform and the external world, comprises the data communication of (the machine machine is mutual), robot platform and other equipment between robot platform and operating personnel (man-machine interaction), the multirobot platform.Wireless communication module can send to the communication data that receives platform main control module, simultaneously, the communication data of platform main control module can be sent.
The mode of operation of the autonomous mobile robot platform that the present invention proposes comprises manual control pattern and autonomous operation pattern.Operating personnel are by sending the motion of wireless telecommunications instruction control robot moving platform during the manual control pattern; Robot platform is realized autonomous path planning and motion control function according to environment sensing information and displacement status information during the autonomous operation pattern.
The method of operation of the autonomous mobile robot platform that the present invention proposes comprises single robot platform method of operation and the multirobot platform method of operation.Have only single robot platform operation in described single robot platform method of operation, under this method of operation, the main task of robot platform is that running environment is carried out cognition, and controls representing of displacement behavior expressive force.The described multirobot platform method of operation except the operation characteristic of single robot platform, comprise also that data communication between the multirobot platform, environmental information are shared, the control of group movement behavior expressive force with represent.
The running environment of the autonomous mobile robot platform that the present invention proposes comprises that water, land are amphibious.Its motion principle of autonomous mobile robot platform can satisfy the motion requirement of robot platform in amphibious environment, can realize robot water, the amphibious motion in land.
Beneficial effect:
The present invention will instead be partial to the motion control research field that the wheel forms of motion is applied to robot, the autonomous mobile robot platform can be moved in the very big movable passageway of wide variety, and can change mode of motion automatically according to the stressed variation of platform in movement environment, channel width etc., to reach stable, smooth-going motion state.Compare with existing conventional moveable robot movement mode, the motor behavior expressive force is more outstanding, it is abundant to study factor, the behavior act details is abundant, experiment degree of representing height, and can be used as experiment and the verification platform that multirobot is worked in coordination with a plurality of research fields such as formation, amphibious robot, micro-nano biorobot's motion prototype.Autonomous mobile robot platform weight proposed by the invention is little, motion is dexterous light, has characteristics such as compact and reasonable mechanical structure, practicality and versatility are good.
Description of drawings
Fig. 1 is that system of the present invention constitutes block diagram;
Fig. 2 is the vertical view of the specific embodiment of the invention;
Fig. 3 is the side view of the specific embodiment of the invention;
Each label is represented among the figure:
1, leg arm support 2, leg arm rotation stationary shaft 3, power management module
4, distance measuring sensor 15, distance measuring sensor 26, camera
7, flow sensor 8, platform control enclosure 9, direction steering wheel kinematic train
10, the leg arm drives kinematic train 11, wheel (anti-deflection wheel) 12, wheel carrier (anti-deflection wheel)
13, inclination rotating shaft 14, anti-deflection wheel regulating device 15, leg arm drive motor
16, yaw rudder wheel drive motor 17, axis of orientation 18, wheel carrier (direction steering wheel)
19, wheel (direction steering wheel) 20, support platform 21, alignment sensor
Embodiment
Autonomous mobile robot platform of the present invention can independently carry out perception to environment, and the wide variety of robot movable passageway is had very strong behavior adaptive faculty.This mobile robot makes the interaction of anti-deflection wheel and ground or space medium generation power, drive machines people's motion by the swing of leg arm mechanism.The present invention will be further described below in conjunction with embodiment:
A kind of autonomous mobile robot platform of the present invention comprises motion driving system, environment sensing system, platform control system as shown in Figure 1.
Motion driving system of the present invention such as Fig. 2, shown in Figure 3 comprise leg arm mechanism, leg arm driver module, support platform, direction steering wheel, yaw rudder wheel drive module.
The leg arm mechanism comprises anti-deflection wheel, leg arm support (1), anti-deflection wheel regulating device (14); Described leg arm support (1) one end is installed anti-deflection wheel regulating device (14) and anti-deflection wheel, and the other end is installed on support platform (20) by leg arm rotation stationary shaft (2), and can freely swing around leg arm rotation stationary shaft (20); Described anti-deflection wheel is fixedlyed connected with leg arm support (1) by anti-deflection wheel regulating device (14); Described anti-deflection wheel comprises wheel carrier (12), wheel (11), inclination rotating shaft (13); Described wheel (11) and wheel carrier (12) fixed installation, wheel (11) is free to rotate, and wheel carrier (12) can freely rotate around inclination rotating shaft (13); Because the effect of inclination rotating shaft (13), wheel (11) can produce angle in the process of leg arm mechanism swing and between the inclination rotating shaft (13), and then can produce the friction force that suppresses the angle generation between wheel (11) and the ground, the component of friction force on platform direction of motion can drive platform and travel forward.
Leg arm driver module comprises that leg arm drive motor (15), leg arm drive kinematic train (10), wherein, leg arm drive motor (15) is equipped with reducer casing and scrambler, leg arm drive motor (15) drives kinematic train (10) by gear mechanism and leg arm and is connected, the main effect that the leg arm drives kinematic train (10) is to realize the driving force transmission, the driving force that is about to leg arm drive motor (15) passes to the leg arm mechanism, drives the leg arm mechanism around leg arm rotation stationary shaft (2) swing.
The direction steering wheel comprises wheel (19), wheel carrier (18), axis of orientation (17); Described wheel (19) is connected with wheel carrier (18), and wheel (19) can rotate freely; The instruction of described wheel carrier (18) receiving platform main control module can be carried out brake operating to wheel (19); Described wheel carrier (18) is installed on support platform (20) by axis of orientation (17), and wheel carrier (18) can rotate with respect to support platform (20) with axis of orientation (17).
Yaw rudder wheel drive module comprises yaw rudder wheel drive motor (16), direction steering wheel kinematic train (9), wherein yaw rudder wheel drive motor (16) is equipped with reducer casing and scrambler, yaw rudder wheel drive motor (16) is connected with direction steering wheel kinematic train (9) by gear mechanism, the main effect of direction steering wheel kinematic train (9) is to realize the driving force transmission, the driving force that is about to yaw rudder wheel drive motor (16) passes to the direction steering wheel, drive the rotation of direction steering wheel, realize that the direction of mobile robot platform changes.
Environment sensing system such as Fig. 2, shown in Figure 3, comprise camera (6), distance measuring sensor (4,5), flow sensor (7), alignment sensor (21), sensing data processing module, simultaneously, can also increase other kind sensors of dress according to the task needs, wherein:
Camera (6) is installed on the mobile robot platform, gathers robot platform environment information data, transfers data to the sensing data processing module.
Distance measuring sensor (4,5) distributes and is installed on support platform (20) and leg arm mechanism, and the environment range information data of gathering robot platform transfer data to the sensing data processing module.
Flow sensor (7) is installed on support platform (20) front end, and the flow speed data of environmental air or liquid etc. transfers data to the sensing data processing module in detection machine people's platform traveling process.
Alignment sensor (21) is installed on mobile robot's support platform (20), and the positional information of detection machine people's platform and attitude information transfer data to the sensing data processing module.
The sensing data processing module is integrated in the platform control enclosure (8), but has extensible sensor interface, can insert the other types sensing data according to the task needs.The sensing data processing module is handled the data that various sensors transport, and the running environment information of robot platform is carried out cognition.
Platform control system such as Fig. 1, Fig. 2, shown in Figure 3 are installed in the platform control enclosure (8)., comprise platform main control module, leg arm control module, steering wheel control module, power management module, wireless communication module, wherein:
Platform main control module is the maincenter of total system, it can the receiving sensor data processing module the environment cognitive information, simultaneously, can receive the data message of wireless communication module, after the requirement that sets the tasks, according to received environment and communication information, mode of motion and the driving path of autonomous planning robot's platform, send instruction to leg arm control module and steering wheel control module, simultaneously, it can receive the motion state feedback information of leg arm control module and steering wheel control module, thereby control robot platform stable, travels safely; And can controlling party to steering wheel vehicle frame (18), make it implement braking to direction steering wheel wheel (19).Platform main control module also receives the Power Supply Monitoring information of power management module (3), and control power management module (3) safely, rationally uses power supply.
The instruction of leg arm control module receiving platform main control module, and then make the swing of leg arm mechanism by command request control leg arm driver module, the motion state with the leg arm mechanism feeds back to platform main control module simultaneously.
The instruction of steering wheel control module receiving platform main control module, and then press the command request controlling party to the channeling direction of steering wheel driver module change direction steering wheel, the motion state with the direction steering wheel feeds back to platform main control module simultaneously.
Power management module (3) comprises rechargeable battery and power control system, and described rechargeable battery provides the robot platform operation required electric energy; Described power control system is monitored the rechargeable battery duty, and monitor data is sent platform main control module, and simultaneously, receiving platform main control modular power source steering order is controlled the output voltage of rechargeable battery.
Wireless communication module is responsible for the data communication in autonomous mobile robot platform and the external world, comprises the data communication of (the machine machine is mutual), robot platform and other equipment between robot platform and operating personnel (man-machine interaction), the multirobot platform.Wireless communication module sends to platform main control module with the communication data that receives, and the communication data with platform main control module sends simultaneously.